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244 Commits

Author SHA1 Message Date
Roberto Ierusalimschy
e15f1f2bb7 Details 
Typos in comments and details in the manual.
 2023-04-18 09:44:10 -03:00
Roberto Ierusalimschy
413a393e62 Stack indices changed to union's 
That will allow to change pointers to offsets while reallocating
the stack.
 2022-10-29 12:06:37 -03:00
Roberto Ierusalimschy
23051e830a Changes in the API of 'luaH_set' and related functions 
Functions to set values in a table (luaH_set, luaH_newkey, etc.) receive
the new value, instead of returning a slot where to put the value.
 2020-12-04 11:08:42 -03:00
Roberto Ierusalimschy
d742a193e5 Comments 2020-10-22 15:54:46 -03:00
Roberto Ierusalimschy
98ec799591 Detail 
Code for multi-character tokens can start right after maximum char.
 2020-09-15 14:29:52 -03:00
Roberto Ierusalimschy
5ff408d218 Changed internal representation of booleans 
Instead of an explicit value (field 'b'), true and false use different
tag variants. This avoids reading an extra field and results in more
direct code. (Most code that uses booleans needs to distinguish between
true and false anyway.)
 2020-01-06 11:38:31 -03:00
Roberto Ierusalimschy
35a28a58b3 Details 
- removed rule about RCS from makefile
- comments and nitpicking in 'llex.c'
 2019-08-01 14:11:33 -03:00
Roberto Ierusalimschy
2c68e66570 Details 
Several small changes from feedback on 5.4 alhpa rc1 (warnings,
typos in the manual, and the like)
 2019-06-03 11:36:42 -03:00
Roberto Ierusalimschy
7c5786479c A few more improvements in 'luaO_pushvfstring' 
- 'L' added to the 'BuffFS' structure
- '%c' does not handle control characters (it is not its business.
This now is done by the lexer, who is the one in charge of that
kind of errors.)
- avoid the direct use of 'l_sprintf' in the Lua kernel
 2019-05-03 10:18:44 -03:00
Roberto Ierusalimschy
65d1aa7a77 Syntax should not allow numbers touching identifiers 
Code like 'a = 1print()' should not be accepted.
 2019-04-09 18:40:39 -03:00
Roberto Ierusalimschy
7ceb2154ed Fixed small bugs/issues 
- In 'readutf8esc' (llex.c), the overflow check must be done before
shifting the accumulator. It was working because tests were using
64-bit longs. Failed with 32-bit longs.

- In OP_FORPREP (lvm.c), avoid negating an unsigned value. Visual
Studio gives a warning for that operation, despite being well
defined in ISO C.

- In 'luaV_execute' (lvm.c), 'cond' can be defined only when needed,
like all other variables.
 2019-03-25 10:38:56 -03:00
Roberto Ierusalimschy
1e0c73d5b6 Changes in the validation of UTF-8 
All UTF-8 encoding functionality (including the escape
sequence '\u') accepts all values from the original UTF-8
specification (with sequences of up to six bytes).

By default, the decoding functions in the UTF-8 library do not
accept invalid Unicode code points, such as surrogates. A new
parameter 'nonstrict' makes them accept all code points up to
(2^31)-1, as in the original UTF-8 specification.
 2019-03-15 13:14:17 -03:00
Roberto Ierusalimschy
57f5b81da9 Bug: Long brackets with a huge number of '=' causes overflow 
A long bracket with too many equal signs can overflow the 'int' used for
the counting and some arithmetic done on the value. Changing the counter
to 'size_t' avoids that. (Because what is counted goes to a buffer, an
overflow in the counter will first raise a buffer-overflow error.)
 2018-12-14 13:12:01 -02:00
Roberto Ierusalimschy
f99509581e Removed extra information from RCS keyword strings 
Version numbers and dates (mostly wrong) from RCS keyword strings
removed from all source files; only the file name are kept.
 2018-08-23 14:26:12 -03:00
Roberto Ierusalimschy
03c6a05ec8 no more nil-in-table 2018-04-04 11:23:41 -03:00
Roberto Ierusalimschy
4a1612ff9b new experimental syntax using reserved word 'undef' 2018-03-07 12:55:38 -03:00
Roberto Ierusalimschy
9243c414d9 first version of empty entries in tables 
(so that, in the future, tables can contain regular nil entries)
 2018-02-23 10:16:18 -03:00
Roberto Ierusalimschy
e2b15aa21d janitor work on casts 2018-01-28 13:13:26 -02:00
Roberto Ierusalimschy
f96497397a new type 'StackValue' for stack elements 
(we may want to put extra info there in the future)
 2017-06-29 12:06:44 -03:00
Roberto Ierusalimschy
b6f87491af in hash nodes, keys are stored in separate pieces to avoid wasting 
space with alignments
 2017-06-09 13:48:44 -03:00
Roberto Ierusalimschy
0232fbffbe now that 'luaO_str2num' always accepts a dot as a radix character, 
the lexer does not need to bother with this issue.
 2016-05-02 11:02:12 -03:00
Roberto Ierusalimschy
d103312661 details (typos in comments) 2015-11-19 17:16:22 -02:00
Roberto Ierusalimschy
96ec8671b1 macro 'buff2num' replaced by its body (it caused more harm than good 
to readability)
 2015-10-28 16:51:47 -02:00
Roberto Ierusalimschy
6142e663e4 reuse of 'addinfo' by lexical errors 2015-05-22 14:45:56 -03:00
Roberto Ierusalimschy
48d0674c2e more consistent use of locale radix character across Lua 2015-04-03 15:41:57 -03:00
Roberto Ierusalimschy
e723c75c02 details (avoid 'lint' warnings) 2015-03-28 16:14:47 -03:00
Roberto Ierusalimschy
29aed28802 detail (use 'luaS_newliteral' when possible) 2015-03-03 15:17:04 -03:00
Roberto Ierusalimschy
5873786e27 small bug (error of "chunk has too many lines" might use 't.token' 
before reading the first token)
 2014-11-14 14:06:09 -02:00
Roberto Ierusalimschy
28fdbcf393 added include for 'lprefix.h', for stuff that must be added before 
any other header file
 2014-11-02 17:19:04 -02:00
Roberto Ierusalimschy
4542fb9f78 comments (a few extra quotes around identifiers) 2014-10-30 16:53:28 -02:00
Roberto Ierusalimschy
aef2d711b1 detail 2014-10-26 13:45:41 -02:00
Roberto Ierusalimschy
bdf566a8a3 `name' in comments changed to 'name' 2014-10-25 09:50:46 -02:00
Roberto Ierusalimschy
6b12b82532 added 'l_' prefix for names that can be redefined externally 2014-10-22 09:44:20 -02:00
Roberto Ierusalimschy
f97c64d7bf macros 'LUA_QL'/'LUA_QL' deprecated 2014-10-17 13:28:21 -03:00
Roberto Ierusalimschy
56d4537879 '$c' in 'lua_pushfstring' prints non-printable characters with 
their codes
 2014-10-10 19:23:04 -03:00
Roberto Ierusalimschy
34b6664dcb better to use 'long' to represent UTF-8 code points 2014-10-01 08:52:33 -03:00
Roberto Ierusalimschy
ca41b43f53 type 'TString' refers directly to the structure inside the union 
(union used only for size purposes)
 2014-07-18 10:36:14 -03:00
Roberto Ierusalimschy
56137d58ff added check for conversion 'obj2gco' (and corrections for small 
problems detected by this check)
 2014-07-18 09:17:54 -03:00
Roberto Ierusalimschy
c4eff10322 small improvements concerning 'check_next' 2014-05-21 12:22:02 -03:00
Roberto Ierusalimschy
5018104a60 better error message for unfinished long strings/comments 2014-05-11 11:45:43 -03:00
Roberto Ierusalimschy
c549d4fe64 'lua_strtonum' (and 'luaO_str2num') now return string size, instead of 
receiving it
 2014-05-01 15:18:06 -03:00
Roberto Ierusalimschy
5388aa9fc0 'luaO_str2d' + 'luaO_str2int' replaced by 'luaO_str2num' (which converts 
to float or integer according to the string syntax)
 2014-04-30 13:48:44 -03:00
Roberto Ierusalimschy
0b04c561f5 new syntax for Unicode escape '\u{012F}' 2014-02-14 13:23:51 -02:00
Roberto Ierusalimschy
4ea60463f5 UTF-8 encoding exported as format '%U' in 'lua_pushfstring' 2014-02-06 13:59:24 -02:00
Roberto Ierusalimschy
2f3da00e51 added support for UTF-8 escapes 2014-02-04 16:57:34 -02:00
Roberto Ierusalimschy
5a73e3ad9e simpler way to create messages for errors in escape sequences 2014-01-31 13:14:22 -02:00
Roberto Ierusalimschy
1ea2d20f74 first implementation of '<<', '>>', and '~' (bitwise not) 2013-12-30 18:47:58 -02:00
Roberto Ierusalimschy
8ef9e8460e bug (GC can collect long identifier during parser) + change (using 
a single constant table for all functions in a chunk)
 2013-08-30 13:01:37 -03:00
Roberto Ierusalimschy
0df6635711 "fixed" objects kept in a separated list (instead of being kept in 
'allgc' list with a bit marking them)
 2013-08-21 17:09:51 -03:00
Roberto Ierusalimschy
130c0e40e0 new constant 'MAX_SIZE', distinct from 'MAX_SIZET', for sizes visible 
from Lua; these must fit in a lua_Integer
 2013-06-19 11:27:00 -03:00